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离心风扇
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  centrifugal fan
     Optimum Design of Centrifugal Fan Based on MATLAB
     基于MATLAB的离心风扇优化设计
短句来源
     The centrifugal fan consists of a shrouded impeller rotating at 34 000 r/min with a small tip clearance 07 mm to the fixed outer casing.
     离心风扇封闭叶轮与外机匣之间存在0.7 mm的间隙,叶轮的转速为34 000 r/min。
短句来源
     Structure Analysis and CAD Software of Centrifugal Fan in Domestic Air-conditioner
     空调室内机离心风扇的结构分析及其CAD软件设计
短句来源
     Development of Centrifugal Fan with High Efficiency and Low Noise in High Speed Electric Machines with Large Power
     高速大功率电机高效率低噪声离心风扇的研究与设计
短句来源
     The overall performance is measured on a standard experimental bench and the major flow feature of each component inside the centrifugal fan is numerically investigated.
     在一个标准测试平台进行了总体性能的测试,利用CFD技术进行了全三维非定常流场的计算,获得了离心风扇的总体性能和各流动部件的流场结构。
短句来源
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  “离心风扇”译为未确定词的双语例句
     Accordingly, a structure CAD software "FanDesign for Windows" is integrated with'Visual C++.
     在此基础上,运用Visual C++开发工具,集成开发了基于Windows平台的离心风扇结构分析设计的CAD软件“FanDesign for Windows”。
短句来源
     Determination of Major Comstruction Parameters of Cenfrifugal Fan Wheels for Air-Cooled Internal Combustion Engine
     风冷内燃机离心风扇叶轮主要结构参数的确定
短句来源
     Then a single blade of fan is used to analyze the effects of different length of blade and different chord length of blade on its inherent frequency for the purpose of the study in the course of design.
     然后由离心风扇单个叶片入手,研究了叶片长度、叶片弦长对风扇单个叶片的固有频率的影响规律,为下一步研究离心风扇的结构参数提供了依据和思路。
短句来源
     The results show that the cleaning ability and performance of the combinationof cross-flow fan and sieve are better than those of the conventional centrifugalfan.
     性能试验表明,径向进气风扇与筛子配合具有良好的清选效果,其清选能力和性能指标高于传统的离心风扇
短句来源
     The estimation of source descriptor for three degrees of freedom and for multiple supports is demonstrated for a family of machines—centrifugal fans in the service of the building.
     对一个机器家族——为建筑物服务的离心风扇,在三个自由度、多支撑点上的源描述符进行了评价.
短句来源
  相似匹配句对
     A Centrifugal Cooling-type Fan Tester
     离心式冷却风扇试验台
短句来源
     Optimum Design of Centrifugal Fan Based on MATLAB
     基于MATLAB的离心风扇优化设计
短句来源
     Heavy load centrifugal protected friction clutch
     重载离心摩擦离合器
短句来源
     Study on the centrifugal jig
     离心跳汰机的研究
短句来源
     Research of Piezoelectric Ceramic Fan
     压电陶瓷风扇的研制
短句来源
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  centrifugal fan
The flow at the exit from the runner blade of a centrifugal fan with forward curved blades (a sirocco fan) sometimes separates and becomes unstable.
      
It is shown that the presence of elasticity (of the type considered) does not result in flow reversal, the disk acting as a centrifugal fan as in Newtonian flow.
      
Design of channels of the centrifugal fan impeller
      
Method of comparative analysis of the fatigue strength of centrifugal fan blades
      
1.A realistic way of improving the viability of the rotor in a centrifugal fan is to reduce the amount of metal, particularly in the shaft, whose mass exceeds half the mass of the rotor.
      
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Using the single factor test and orthogonal test methods,the effects of workparameters of cross-flow fan and sieve on cleaning characteristics are researchedand the optimum parameters matching are obtained.It is found out that the distribution of air-flow velocity of cross-flow fan isadvantageous to that of the sieve face and to the grain cleaning.The results show that the cleaning ability and performance of the combinationof cross-flow fan and sieve are better than those of the conventional centrifugalfan.The...

Using the single factor test and orthogonal test methods,the effects of workparameters of cross-flow fan and sieve on cleaning characteristics are researchedand the optimum parameters matching are obtained.It is found out that the distribution of air-flow velocity of cross-flow fan isadvantageous to that of the sieve face and to the grain cleaning.The results show that the cleaning ability and performance of the combinationof cross-flow fan and sieve are better than those of the conventional centrifugalfan.The cross-flow model developed can be used for threshing machines,theseparators and the large grain combines.

用单因素试验和正交试验法研究了径向进气风扇与筛子的工作参数对清选性能的影响规律,获得了较优参数的组合。研究指出,径向进气风扇出口风速的分布特性有利于筛面风速的合理分布和谷粒的清选。性能试验表明,径向进气风扇与筛子配合具有良好的清选效果,其清选能力和性能指标高于传统的离心风扇。所研究的径向进气风扇模型可在脱粒机、清选机和大型联合收割机上实际应用。

In this paper the evaluating method and optimized ranges of parameters of centrifugal fan wheels, such as wheel diameter, blade angles, widths of blade, amount of blades, etc., are advanced on the basis of theoretical considerations and experimental tests.

本文根据理论分析和不同参数离心风扇的试验结果,提出了风冷内燃机用离心风扇的叶轮直径、叶片角度、叶片宽度和叶片数的确定方法和优值范围,可供设计参考。

In this paper, the disign and calculation method of cross flow fan to be used in the system of havesting machines is presented. Taking the clean fan in medium size of havesting machine for example, practical calculation is made. To compare the cross flow fan with centrifugal fan the tests on the experimental installation for clean grain and on threshing machine are completed and it is confirmed that the cross flow fan has obvious advantages when it is used in the clean system of grain havesting machinery.

提要本文介绍了应用于收获机械清选系统的径向进气风扇的设计计算方法,并以中型脱粒机清选风良为倒作了应用计算.将设计的径向进气风扇与离心风扇在脱粒机和清选试验台上.进行了性能对比试验,证明了径向进气风扇应用于谷物收获机械的清选系统具有显著的优点.

 
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